Question 1

The upto method is provided by the String class.

Accepted Answer

A) True 
 B)False

Question 2

The redo method facilitates which of the following actions?

Accepted Answer

A)  Terminates the execution of a loop. 
B)  Repeats the current loop execution without evaluating the condition or iterating. 
C)  Stops the current iteration of the loop and immediately begins a new iteration. 
D)  Restarts the loop from the beginning, resetting the value of the iterator. 
A)  Terminates the execution of a loop. 
B)  Repeats the current loop execution without evaluating the condition or iterating. 
C)  Stops the current iteration of the loop and immediately begins a new iteration. 
D)  Restarts the loop from the beginning, resetting the value of the iterator.

Question 3

Ruby provides programmers with a number of different ways of altering a loop's execution, including all of the following methods except ____.

Accepted Answer

A)  break 
B)  redo 
C)  redo. 
D)  retry 
A)  break 
B)  redo 
C)  redo. 
D)  retry

Question 4

The next method facilitates which of the following actions?

Accepted Answer

A)  Terminates the execution of a loop. 
B)  Repeats the current loop execution without evaluating the condition or iterating 
C)  Stops the current iteration of the loop and immediately begins a new iteration. 
D)  Restarts the loop from the beginning, resetting the value of the iterator. 
A)  Terminates the execution of a loop. 
B)  Repeats the current loop execution without evaluating the condition or iterating 
C)  Stops the current iteration of the loop and immediately begins a new iteration. 
D)  Restarts the loop from the beginning, resetting the value of the iterator.

Question 5

Ruby supports different categories of loops, including which of the following?

Accepted Answer

A)  Language constructs 
B)  Modifiers 
C)  Methods 
D)  All of the above 
A)  Language constructs 
B)  Modifiers 
C)  Methods 
D)  All of the above

Question 6

The break command provides the ability to ____.

Accepted Answer

A)  Terminate the execution of a loop at any time. 
B)  Temporarily pause script execution 
C)  Place a script in debug mode 
D)  None of the above 
A)  Terminate the execution of a loop at any time. 
B)  Temporarily pause script execution 
C)  Place a script in debug mode 
D)  None of the above

Question 7

Which of the following is true regarding the while or until loops?

Accepted Answer

A)  It is the programmer's responsibility to specify a variable that will be used to control how many times the loop iterates. 
B)  It is the programmer's responsibility to determine how many times the loop repeats. 
C)  It is the programmer's responsibility to supply an expression for tracking the last element processed in the array and to increment its value at the end of each execution of the loop. 
D)  All of the above 
A)  It is the programmer's responsibility to specify a variable that will be used to control how many times the loop iterates. 
B)  It is the programmer's responsibility to determine how many times the loop repeats. 
C)  It is the programmer's responsibility to supply an expression for tracking the last element processed in the array and to increment its value at the end of each execution of the loop. 
D)  All of the above

Question 8

Loop methods are language commands that are part of the set of built-in Ruby language constructions.

Accepted Answer

A) True 
 B)False

Question 9

Using a minimum amount of code, loops facilitate the development of scripts that can process huge amounts of data. However, the cost of this processing efficiency comes at a price in terms of additional code statements.

Accepted Answer

A) True 
 B)False

Question 10

Loops can be used to collect and process an unlimited amount of user input.

Accepted Answer

A) True 
 B)False

Question 11

A loop is a collection of statements that ____.

Accepted Answer

A)  Facilitate the processing of large text files 
B)  Facilitate the collection of unlimited amounts of user input 
C)  Provide the ability to develop scripts that can repeat the execution of any number of commands. 
D)  All of the above 
A)  Facilitate the processing of large text files 
B)  Facilitate the collection of unlimited amounts of user input 
C)  Provide the ability to develop scripts that can repeat the execution of any number of commands. 
D)  All of the above

Question 12

The while modifier evaluates a Boolean expression and then conditionally executes the statement to which is has been appended as long as that condition remains true.

Accepted Answer

A) True 
 B)False

Question 13

Ruby provides you with access to many different types of loops, which can be organized broadly as ____.

Accepted Answer

A)  Language constructs 
B)  Modifiers 
C)  Methods 
D)  All of the above 
A)  Language constructs 
B)  Modifiers 
C)  Methods 
D)  All of the above

Question 14

Ruby range operator ( .. ) provides the ability to do which of the following?

Accepted Answer

A)  Generate a random number within a specified range 
B)  Display a range of consecutive letters or numbers 
C)  Iterate over a specified range of values 
D)  None of the above 
A)  Generate a random number within a specified range 
B)  Display a range of consecutive letters or numbers 
C)  Iterate over a specified range of values 
D)  None of the above

Question 15

The loop method is designed to be executed a given number of times.

Accepted Answer

A) True 
 B)False

Question 16

The downto method iterates a predetermined number of times, starting at a specified integer value and counting down to whatever integer value is passed to it.

Accepted Answer

A) True 
 B)False

Question 17

The ____ method forces a loop to repeat only after evaluating its condition and without iterating.

Accepted Answer

A)  next 
B)  after 
C)  before 
D)  None of the above 
A)  next 
B)  after 
C)  before 
D)  None of the above

Question 18

One limitation of loops is that they are not well suited to the development of scripts that need to be replayed over and over again.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not a loop modifier supported by Ruby?

Accepted Answer

A)  while 
B)  each 
C)  until 
D)  None of the above 
A)  while 
B)  each 
C)  until 
D)  None of the above

Question 20

The loop method belongs to the ____.

Accepted Answer

A)  Kernel class 
B)  Integer class 
C)  Array class 
D)  None of the above 
A)  Kernel class 
B)  Integer class 
C)  Array class 
D)  None of the above

The upto method is provided by the String class.

The redo method facilitates which of the following actions?

Ruby provides programmers with a number of different ways of altering a loop's execution, including all of the following methods except ____.

The next method facilitates which of the following actions?

Ruby supports different categories of loops, including which of the following?

The break command provides the ability to ____.

Which of the following is true regarding the while or until loops?

Loop methods are language commands that are part of the set of built-in Ruby language constructions.

Using a minimum amount of code, loops facilitate the development of scripts that can process huge amounts of data. However, the cost of this processing efficiency comes at a price in terms of additional code statements.

Loops can be used to collect and process an unlimited amount of user input.

A loop is a collection of statements that ____.

The while modifier evaluates a Boolean expression and then conditionally executes the statement to which is has been appended as long as that condition remains true.

Ruby provides you with access to many different types of loops, which can be organized broadly as ____.

Ruby range operator ( .. ) provides the ability to do which of the following?

The loop method is designed to be executed a given number of times.

The downto method iterates a predetermined number of times, starting at a specified integer value and counting down to whatever integer value is passed to it.

The ____ method forces a loop to repeat only after evaluating its condition and without iterating.

One limitation of loops is that they are not well suited to the development of scripts that need to be replayed over and over again.

Which of the following is not a loop modifier supported by Ruby?

The loop method belongs to the ____.

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters

Exam 5: Working With Loops

The upto method is provided by the String class.

The redo method facilitates which of the following actions?

Ruby provides programmers with a number of different ways of altering a loop's execution, including all of the following methods except ____.

The next method facilitates which of the following actions?

Ruby supports different categories of loops, including which of the following?

The break command provides the ability to ____.

Which of the following is true regarding the while or until loops?

Loop methods are language commands that are part of the set of built-in Ruby language constructions.

Using a minimum amount of code, loops facilitate the development of scripts that can process huge amounts of data. However, the cost of this processing efficiency comes at a price in terms of additional code statements.

Loops can be used to collect and process an unlimited amount of user input.

A loop is a collection of statements that ____.

The while modifier evaluates a Boolean expression and then conditionally executes the statement to which is has been appended as long as that condition remains true.

Ruby provides you with access to many different types of loops, which can be organized broadly as ____.

Ruby range operator ( .. ) provides the ability to do which of the following?

The loop method is designed to be executed a given number of times.

The downto method iterates a predetermined number of times, starting at a specified integer value and counting down to whatever integer value is passed to it.

The ____ method forces a loop to repeat only after evaluating its condition and without iterating.

One limitation of loops is that they are not well suited to the development of scripts that need to be replayed over and over again.

Which of the following is not a loop modifier supported by Ruby?

The loop method belongs to the ____.

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters